CN209094470U - A kind of four hole nut precoated sand mold upper molds - Google Patents
A kind of four hole nut precoated sand mold upper molds Download PDFInfo
- Publication number
- CN209094470U CN209094470U CN201821771784.8U CN201821771784U CN209094470U CN 209094470 U CN209094470 U CN 209094470U CN 201821771784 U CN201821771784 U CN 201821771784U CN 209094470 U CN209094470 U CN 209094470U
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- CN
- China
- Prior art keywords
- precoated sand
- sand mold
- convex template
- nut
- type slot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of four hole nut precoated sand mold upper molds, including upper cores, the two sides at upper cores front top offer X-type slot, the positive bottom of upper cores is fixedly connected with fixed plate, the positive two sides of fixed plate are fixedly connected to convex template, and convex template is located at the bottom of X-type slot, the front of the convex template offers circular hole, and circular hole is located at the center of convex template.The utility model is used cooperatively by setting X-type slot, fixed plate, convex template and circular hole, solve the problems, such as that existing four holes nut precoated sand mold upper mold overlay film effect is poor, the four holes nut precoated sand mold upper mold, have the good advantage of overlay film effect, during using processing, avoids causing undesirable influence to product, improve the quality of production of product, can also huge income be carried out to the economy-zone of factory simultaneously, be conducive to using and developing for factory, be worth of widely use.
Description
Technical field
The utility model relates to technical field of mold, specially a kind of four hole nut precoated sand mold upper molds.
Background technique
Mold, in industrial production to be molded, be blow molded, squeeze out, die casting or the methods of forging and forming, smelting, punching press obtain
The various moulds and tool of required product, in brief, mold are the tools for making formed article, and this tool is by various
Part is constituted, and different molds is made of different parts, it is mainly realized by the change of physical state of the formed material
The processing of article shape is widely used in punching, die forging, cold-heading, extruding, metallic sintered products compacting, compression casting and engineering plastic
In the forming of compression moulding or the injection molding of the products such as material, rubber, ceramics, mold has specific profile or cavity shape, application
Chamfered shape with cutting edge can make blank that separation (punching) occur by profile wire shaped, blank can be made to obtain using cavity shape
Corresponding three-dimensional shape is obtained, mold generally comprises two parts of dynamic model and cover half (or punch-pin and cavity plate), and the two is partable, point
Product is taken out when opening, and blank injection mold cavity forming is made when closing up, mold is precision instrument, it is complex-shaped, bear blank
Expansive force all has higher requirements to structural strength, rigidity, surface hardness, surface roughness and machining accuracy, is known as the mother's of industry
Title.
Precoated sand, sand grain surface are covered with the molding sand or core sand of one layer of hard resin film before moulding, there is cold process and thermal method
Two kinds of coating techniques have cold process to be dissolved resin with ethyl alcohol, and methenamine is added during mulling, and the two is made to be coated on sand
Grain surface, ethyl alcohol volatilization, obtains precoated sand, and sand is preheating to certain temperature by thermal method, and resin is added to make its melting, and stirring coats resin
In sand grain surface, add methenamine aqueous solution and lubricant, it is cooling, broken, sieve to obtain precoated sand, it is used for steel-casting, ironcasting,
However existing four holes nut precoated sand mold upper mold has overlay film effect difference, during using processing,
It is easy to cause undesirable influence to product, reduces the quality of production of product, while can also impact to the economy of factory, it is unfavorable
Using and develop in factory.
Utility model content
The purpose of this utility model is to provide a kind of four hole nut precoated sand mold upper molds, and it is good to have overlay film effect
Advantage solves the problems, such as that existing four holes nut precoated sand mold upper mold overlay film effect is poor.
To achieve the above object, the utility model provides the following technical solutions: four hole nut precoated sand molds of one kind are used
The two sides of mould, including upper cores, upper cores front top offer X-type slot, and the positive bottom of upper cores is fixed
It is connected with fixed plate, the positive two sides of fixed plate are fixedly connected to convex template, and convex template is located at the bottom of X-type slot,
The front of the convex template offers circular hole, and circular hole is located at the center of convex template.
Preferably, the inside of the X-type slot is fixedly connected with cross, and cross is located at the center of X-type slot inner wall.
Preferably, the quadrangle at the upper cores back side is fixedly connected to connecting rod, and the rear end of the connecting rod is provided with
Bolt.
Preferably, the rear end of the connecting rod is provided with connecting plate, and connecting plate is solid by the rear end of bolt and connecting rod
Fixed connection.
Preferably, the top and bottom on the outside of the connecting plate offer link slot.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, the utility model being used cooperatively by setting X-type slot, fixed plate, convex template and circular hole, solves existing
The problem of four hole nut precoated sand mold upper mold overlay film effect differences, the four holes nut precoated sand mold upper mold, has overlay film
The good advantage of effect avoids causing undesirable influence to product, improves the quality of production of product during using processing,
Can also huge income be carried out to the economy-zone of factory simultaneously, be conducive to using and developing for factory, be worth of widely use.
2, the utility model can avoid upper and lower mould from connecting by setting cross convenient for the connection between upper and lower mould
During there is the phenomenon that sliding offset, by the way that connecting rod is arranged, the fixed effect of isolation can be played to connecting plate, simultaneously
Connecting plate can also be avoided directly to contact with upper cores, by the way that connecting plate is arranged, can be connected convenient for stirring upper cores by setting
Access slot can be easy to use setting tool enhancing to the fixed effect of connecting plate.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model structure top view；
Fig. 3 is the utility model structure rearview.
In figure: 1 upper cores, 2 X-type slots, 3 fixed plates, 4 convex templates, 5 circular holes, 6 crosses, 7 connecting rods, 8 bolts, 9 connect
Fishplate bar, 10 link slots.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-3, a kind of four hole nut precoated sand mold upper molds, including upper cores 1, the four of 1 back side of upper cores
Angle is fixedly connected to connecting rod 7, and the rear end of connecting rod 7 is provided with bolt 8, can be to connecting plate 9 by the way that connecting rod 7 is arranged
The fixed effect of isolation is played, while connecting plate 9 can also be avoided directly to contact with upper cores 1, the rear end of connecting rod 7 is provided with
Connecting plate 9, and connecting plate 9 is fixedly connected by bolt 8 with the rear end of connecting rod 7, by the way that connecting plate 9 is arranged, can be convenient for turning over
The top and bottom of dynamic upper cores 1,9 outside of connecting plate offer link slot 10, by the way that link slot 10 is arranged, can be convenient for making
With setting tool enhancing to the fixed effect of connecting plate 9, the two sides at 1 front top of upper cores offer X-type slot 2, X-type slot 2
Inside be fixedly connected with cross 6, and cross 6 is located at the center of 2 inner wall of X-type slot, can by the way that cross 6 is arranged
Convenient for the connection between upper and lower mould, upper and lower mould is avoided to occur the phenomenon that sliding offset during connection, upper cores 1 are positive
Bottom is fixedly connected with fixed plate 3, and the positive two sides of fixed plate 3 are fixedly connected to convex template 4, and convex template 4 is located at X-type slot
2 bottom, the front of convex template 4 offers circular hole 5, and circular hole 5 is located at the center of convex template 4, by setting X-type slot 2, admittedly
Fixed board 3, convex template 4 and circular hole 5 are used cooperatively, and it is poor to solve existing four holes nut precoated sand mold upper mold overlay film effect
The problem of, which has the good advantage of overlay film effect, during using processing, keeps away
Exempt to cause undesirable influence to product, improve the quality of production of product, while can also carry out huge income to the economy-zone of factory,
Be conducive to using and developing for factory, be worth of widely use.
In use, can be fixed convenient for the connection between matched lower mode by setting by the X-type slot 2 of setting
Plate 3 and convex template 4, can reach the using effect of good forming effect, by X-type slot 2, fixed plate 3 and convex template 4 in upper cores
Positioning setting on 1, so as to achieve the purpose that overlay film effect is good.
In summary: the four holes nut precoated sand mold upper mold, by the way that X-type slot 2, fixed plate 3,4 and of convex template is arranged
Circular hole 5 is used cooperatively, and solves the problems, such as that existing four holes nut precoated sand mold upper mold overlay film effect is poor.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of four hole nut precoated sand mold upper molds, including upper cores (1), it is characterised in that: upper cores (1) front
The two sides at top offer X-type slot (2), and the positive bottom of the upper cores (1) is fixedly connected with fixed plate (3), described solid
Fixed board (3) positive two sides are fixedly connected to convex template (4), and convex template (4) is located at the bottom of X-type slot (2), the punch-pin
The front of plate (4) offers circular hole (5), and circular hole (5) is located at the center of convex template (4).
2. a kind of four holes nut precoated sand mold upper mold according to claim 1, it is characterised in that: the X-type slot (2)
Inside be fixedly connected with cross (6), and cross (6) is located at the center of X-type slot (2) inner wall.
3. a kind of four holes nut precoated sand mold upper mold according to claim 1, it is characterised in that: the upper cores
(1) quadrangle at the back side is fixedly connected to connecting rod (7), and the rear end of the connecting rod (7) is provided with bolt (8).
4. a kind of four holes nut precoated sand mold upper mold according to claim 3, it is characterised in that: the connecting rod
(7) rear end is provided with connecting plate (9), and connecting plate (9) is fixedly connected by bolt (8) with the rear end of connecting rod (7).
5. a kind of four holes nut precoated sand mold upper mold according to claim 4, it is characterised in that: the connecting plate
(9) top and bottom on the outside of offer link slot (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821771784.8U CN209094470U (en) | 2018-10-30 | 2018-10-30 | A kind of four hole nut precoated sand mold upper molds |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821771784.8U CN209094470U (en) | 2018-10-30 | 2018-10-30 | A kind of four hole nut precoated sand mold upper molds |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209094470U true CN209094470U (en) | 2019-07-12 |
Family
ID=67157200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821771784.8U Expired - Fee Related CN209094470U (en) | 2018-10-30 | 2018-10-30 | A kind of four hole nut precoated sand mold upper molds |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209094470U (en) |
-
2018
- 2018-10-30 CN CN201821771784.8U patent/CN209094470U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190712 Termination date: 20201030 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |